Swim fin



FIG. 1 is a top view of the swim fin of the present invention;

FIG. 2 is a bottom view of the swim fin of the present invention;

FIG. 3 is a left side view of the swim fin of the present invention;

FIG. 4 is a right side view of the swim fin of the present invention;

FIG. 5 is a front view of the swim fin of the present invention;

FIG. 6 is a back view of the swim fin of the present invention; and,

FIG. 7 is a perspective view of the swim fin of the present invention.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a swim fin, as shown and described. 